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Finding the Third Proportional to 479,790 and 717,045

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Solution

The third proportional to 479,790 and 717,045 is: 1,071,622.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,790 : 717,045 = 717,045 : x
  2. Step 2: Convert to fraction form
    479,790/717,045 = 717,045/x
  3. Step 3: Cross multiply
    479,790x = 717,045 × 717,045
  4. Step 4: Simplify right side
    479,790x = 514,153,532,025
  5. Step 5: Solve for x
    x = 514,153,532,025/479,790
  6. Step 6: Final answer
    x = 1,071,622.03

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.